Abstract
Radiative transition probabilities, oscillator strengths, radiative lifetimes and branching ratios of Nd3+ in GLS and ALS glasses were calculated for levels ranging between 160cm−l − 18,000cm−l. The matrix elements for the transitions were calculated in the intermediate coupling scheme using the measured energies in the glasses. The intensity parameters were obtained from these matrix elements and experimentally obtained oscillator strengths. The cross sections of the 4F3/2→4I9/2, 4I11/2 and 4F3/2→4I13/2 were calculated and compared to the equivalent quantities in oxide glass. The similarity and difference in the radiative characteristics of Nd3+ between oxide and chalcogenide glasses will be discussed.
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